Bar of soap



FIG. 1 is a front elevational view of a bar of soap showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is a sectional view taken along lines IV--IV of FIG. 1. 

The ornamental design for a bar of soap, as shown. 